1
: one that hacks
2
: a person who is inexperienced or unskilled at a particular activity
a tennis hacker
3
: an expert at programming and solving problems with a computer
4
: a person who illegally gains access to and sometimes tampers with information in a computer system
Examples of hacker in a Sentence
My friends and I have been playing golf for years, but we're still just a bunch of hackers.
the company's security experts spent days trying to figure out how a hacker could have gotten past the firewall
Recent Examples on the Web
Stop sending texts, the FBI told Americans in December, as Chinese hackers marauded through U.S. networks.
—
Zak Doffman, Forbes, 22 Mar. 2025
For the second time in two months, a hacker has used Steam to circulate malware to unsuspecting gamers.
—Michael Kan, PCMAG, 21 Mar. 2025
Some people do pay, which makes the whole endeavor worthwhile for hackers, and which is why the toll texts keep coming.
—Kevin Williams, CNBC, 13 Mar. 2025
During the Biden administration, CISA vowed to help the tech industry understand and mitigate the risks of open-source software, which is often poorly maintained and has repeatedly been exploited by hackers.
—Eric Geller, WIRED, 13 Mar. 2025
See All Example Sentences for hacker
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Zak Doffman, Forbes, 22 Mar. 2025
For the second time in two months, a hacker has used Steam to circulate malware to unsuspecting gamers.
—Michael Kan, PCMAG, 21 Mar. 2025
Some people do pay, which makes the whole endeavor worthwhile for hackers, and which is why the toll texts keep coming.
—Kevin Williams, CNBC, 13 Mar. 2025
During the Biden administration, CISA vowed to help the tech industry understand and mitigate the risks of open-source software, which is often poorly maintained and has repeatedly been exploited by hackers.
—Eric Geller, WIRED, 13 Mar. 2025
See All Example Sentences for hacker
Cite this Entry
“Hacker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hacker. Accessed 5 Apr. 2025.
Copy CitationKids Definition
hacker
noun
hack·er
ˈhak-ər 
1
: one that hacks
2
: a person who is unskilled at a particular activity
3
: an expert at programming and solving problems with a computer
4
: a person who illegally gains access to a computer system
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